1 /* 2 * CDDL HEADER START 3 * 4 * This file and its contents are supplied under the terms of the 5 * Common Development and Distribution License ("CDDL"), version 1.0. 6 * You may only use this file in accordance with the terms of version 7 * 1.0 of the CDDL. 8 * 9 * A full copy of the text of the CDDL should have accompanied this 10 * source. A copy of the CDDL is also available via the Internet at 11 * http://www.illumos.org/license/CDDL. 12 * 13 * CDDL HEADER END 14 */ 15 16 /* 17 * Copyright (c) 2015 by Delphix. All rights reserved. 18 */ 19 20 #ifndef _SYS_VDEV_INDIRECT_BIRTHS_H 21 #define _SYS_VDEV_INDIRECT_BIRTHS_H 22 23 #include <sys/dmu.h> 24 #include <sys/spa.h> 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 typedef struct vdev_indirect_birth_entry_phys { 31 uint64_t vibe_offset; 32 uint64_t vibe_phys_birth_txg; 33 } vdev_indirect_birth_entry_phys_t; 34 35 typedef struct vdev_indirect_birth_phys { 36 uint64_t vib_count; /* count of v_i_b_entry_phys_t's */ 37 } vdev_indirect_birth_phys_t; 38 39 typedef struct vdev_indirect_births { 40 uint64_t vib_object; 41 42 /* 43 * Each entry indicates that everything up to but not including 44 * vibe_offset was copied in vibe_phys_birth_txg. Entries are sorted 45 * by increasing phys_birth, and also by increasing offset. See 46 * vdev_indirect_births_physbirth for usage. 47 */ 48 vdev_indirect_birth_entry_phys_t *vib_entries; 49 50 objset_t *vib_objset; 51 52 dmu_buf_t *vib_dbuf; 53 vdev_indirect_birth_phys_t *vib_phys; 54 } vdev_indirect_births_t; 55 56 extern vdev_indirect_births_t *vdev_indirect_births_open(objset_t *os, 57 uint64_t object); 58 extern void vdev_indirect_births_close(vdev_indirect_births_t *vib); 59 extern boolean_t vdev_indirect_births_is_open(vdev_indirect_births_t *vib); 60 extern uint64_t vdev_indirect_births_alloc(objset_t *os, dmu_tx_t *tx); 61 extern void vdev_indirect_births_free(objset_t *os, uint64_t object, 62 dmu_tx_t *tx); 63 64 extern uint64_t vdev_indirect_births_count(vdev_indirect_births_t *vib); 65 extern uint64_t vdev_indirect_births_object(vdev_indirect_births_t *vib); 66 67 extern void vdev_indirect_births_add_entry(vdev_indirect_births_t *vib, 68 uint64_t offset, uint64_t txg, dmu_tx_t *tx); 69 70 extern uint64_t vdev_indirect_births_physbirth(vdev_indirect_births_t *vib, 71 uint64_t offset, uint64_t asize); 72 73 extern uint64_t vdev_indirect_births_last_entry_txg( 74 vdev_indirect_births_t *vib); 75 76 #ifdef __cplusplus 77 } 78 #endif 79 80 #endif /* _SYS_VDEV_INDIRECT_BIRTHS_H */ 81